Nikolić playing with Bamberg in 2018
|No. 77 – Partizan NIS Belgrade|
Basketball League of Serbia
February 21, 1995|
|Listed height||1.91 m (6 ft 3 in)|
|Listed weight||92 kg (203 lb)|
|NBA draft||2017 / Undrafted|
|2015–2017||→Baunach Young Pikes|
In November 2011 he joined OKK Spars, and previously played for Zlatorog Laško and Postojna.
On February 25, 2013, he signed a four-year contact with OKK Spars.
After rumors in early June, Nikolic had signed officially on July 7, 2015 with German champions Brose Bamberg for four years. He also plays their for farm team Bike-Café Messingschlager Baunach in the second-tier ProA league. He was an early entry candidate for the 2016 NBA draft, but later removed his name from the list.
Slovenian national team
Nikolić played for Slovenia U-16, U-18 and U-20 national team.
Nikolic is of Serb origin. Aleksej in the son of David (originally from Leskovac) and Jana Nikolić. His father was a basketball player, played for Postojna, and was an assistant coach of Slovenian senior national team from 2004 to 2006. Currently he owns Gostilna Čuk. His brother Mitja is also a pro basketball player, currently playing for Union Olimpija.
- "Nikolić Aleksej potpisao prvi profesionalni ugovor". kkspars.com. Retrieved April 5, 2015.
- "Brose Baskets verpflichten Aleksej Nikolić". brosebaskets.de. Retrieved July 10, 2015.
- Release, Official. "Thirty-three international early-entry candidates withdraw from Draft". NBA.com. Retrieved 2016-11-24.
- "Aleksej Nikolić tri godine u Partizanu". kkpartizan.rs. July 10, 2018. Retrieved July 10, 2018.
- "Aleksej Nikolić". archive.fiba.com. FIBA. Retrieved July 11, 2015.
- "SRBI KOVAČI TUĐE MEDALJE Lako je Slovencima kad su im glavni ljudi iz zemlje košarke". Blic.
- "Po NBA standardima". Danas.
- Словенац Алексеј Николић нови кошаркаш Партизана, парафирао трогодишњи уговор